Gebr. Happich GmbH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5582683 Method for the recovery of chemical values from black liquor in multiple streams of different chemical valuesExpiredApr 19, 94Dec 10, 96[D21C]
5492258 Cross support for roof loads on a motor vehicle provided with roof railingsExpiredAug 09, 94Feb 20, 96[B60R]
5225068 Method of compacting an anodically produced layer of oxide on parts of aluminum or aluminum alloyExpiredNov 27, 91Jul 06, 93[C25D]
5219626 Molding strip, particularly for vehiclesExpiredNov 09, 90Jun 15, 93[B60R]
5102508 Method of producing colored surfaces on parts of aluminum or aluminum alloyExpiredMay 23, 90Apr 07, 92[C25D, C25F]
5009756 Chemical method of avoiding a rainbow effect caused by the layer of oxide produced upon the brightening of parts of aluminum or aluminum alloysExpiredMay 23, 90Apr 23, 91[C25D, C25F]
4995951 Brightening methodExpiredMay 23, 90Feb 26, 91[C25F]
4923211 Passenger covering for motor vehicle or the likeExpiredJan 17, 89May 08, 90[B60R]
4844530 Sun visor for mounting above a side window in a vehicleExpiredMar 20, 84Jul 04, 89[B60J]
4720132 Electrically conductive stiffening wire for a sun visor for vehiclesExpiredJan 15, 87Jan 19, 88[B60J]
4719067 Method and apparatus for forming end pieces on plastic molding stripsExpiredMay 24, 85Jan 12, 88[B29C]
4719136 High frequency weldable textile materialExpiredMar 20, 86Jan 12, 88[B32B]
4696510 Swivel bearing for automobile sun visorsExpiredJul 03, 86Sep 29, 87[B60J]
4683522 Sun visor for vehiclesExpiredJul 03, 85Jul 28, 87[F21V]
4676544 Tiltable ashtray suitable for automotive vehiclesExpiredMay 24, 85Jun 30, 87[B60N, A24F]
4667979 Cushioning member for the interior of an automotive vehicleExpiredJan 03, 86May 26, 87[B60R]
4668005 Sun visor for vehiclesExpiredSep 04, 86May 26, 87[B60J]
4668543 Profiled strip, particularly for automotive vehiclesExpiredApr 11, 84May 26, 87[B60R]
4655498 Sun visor for automotive vehiclesExpiredMay 14, 86Apr 07, 87[B60J]
4646879 Air duct, or the like, for instrument panel for automotive vehiclesExpiredAug 12, 85Mar 03, 87[B60K]

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